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Diffstat (limited to 'hw/ne2000.c')
| -rw-r--r-- | hw/ne2000.c | 816 |
1 files changed, 0 insertions, 816 deletions
diff --git a/hw/ne2000.c b/hw/ne2000.c deleted file mode 100644 index e23c6df..0000000 --- a/hw/ne2000.c +++ /dev/null @@ -1,816 +0,0 @@ -/* - * QEMU NE2000 emulation - * - * Copyright (c) 2003-2004 Fabrice Bellard - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - */ -#include "vl.h" - -/* debug NE2000 card */ -//#define DEBUG_NE2000 - -#define MAX_ETH_FRAME_SIZE 1514 - -#define E8390_CMD 0x00 /* The command register (for all pages) */ -/* Page 0 register offsets. */ -#define EN0_CLDALO 0x01 /* Low byte of current local dma addr RD */ -#define EN0_STARTPG 0x01 /* Starting page of ring bfr WR */ -#define EN0_CLDAHI 0x02 /* High byte of current local dma addr RD */ -#define EN0_STOPPG 0x02 /* Ending page +1 of ring bfr WR */ -#define EN0_BOUNDARY 0x03 /* Boundary page of ring bfr RD WR */ -#define EN0_TSR 0x04 /* Transmit status reg RD */ -#define EN0_TPSR 0x04 /* Transmit starting page WR */ -#define EN0_NCR 0x05 /* Number of collision reg RD */ -#define EN0_TCNTLO 0x05 /* Low byte of tx byte count WR */ -#define EN0_FIFO 0x06 /* FIFO RD */ -#define EN0_TCNTHI 0x06 /* High byte of tx byte count WR */ -#define EN0_ISR 0x07 /* Interrupt status reg RD WR */ -#define EN0_CRDALO 0x08 /* low byte of current remote dma address RD */ -#define EN0_RSARLO 0x08 /* Remote start address reg 0 */ -#define EN0_CRDAHI 0x09 /* high byte, current remote dma address RD */ -#define EN0_RSARHI 0x09 /* Remote start address reg 1 */ -#define EN0_RCNTLO 0x0a /* Remote byte count reg WR */ -#define EN0_RTL8029ID0 0x0a /* Realtek ID byte #1 RD */ -#define EN0_RCNTHI 0x0b /* Remote byte count reg WR */ -#define EN0_RTL8029ID1 0x0b /* Realtek ID byte #2 RD */ -#define EN0_RSR 0x0c /* rx status reg RD */ -#define EN0_RXCR 0x0c /* RX configuration reg WR */ -#define EN0_TXCR 0x0d /* TX configuration reg WR */ -#define EN0_COUNTER0 0x0d /* Rcv alignment error counter RD */ -#define EN0_DCFG 0x0e /* Data configuration reg WR */ -#define EN0_COUNTER1 0x0e /* Rcv CRC error counter RD */ -#define EN0_IMR 0x0f /* Interrupt mask reg WR */ -#define EN0_COUNTER2 0x0f /* Rcv missed frame error counter RD */ - -#define EN1_PHYS 0x11 -#define EN1_CURPAG 0x17 -#define EN1_MULT 0x18 - -#define EN2_STARTPG 0x21 /* Starting page of ring bfr RD */ -#define EN2_STOPPG 0x22 /* Ending page +1 of ring bfr RD */ - -#define EN3_CONFIG0 0x33 -#define EN3_CONFIG1 0x34 -#define EN3_CONFIG2 0x35 -#define EN3_CONFIG3 0x36 - -/* Register accessed at EN_CMD, the 8390 base addr. */ -#define E8390_STOP 0x01 /* Stop and reset the chip */ -#define E8390_START 0x02 /* Start the chip, clear reset */ -#define E8390_TRANS 0x04 /* Transmit a frame */ -#define E8390_RREAD 0x08 /* Remote read */ -#define E8390_RWRITE 0x10 /* Remote write */ -#define E8390_NODMA 0x20 /* Remote DMA */ -#define E8390_PAGE0 0x00 /* Select page chip registers */ -#define E8390_PAGE1 0x40 /* using the two high-order bits */ -#define E8390_PAGE2 0x80 /* Page 3 is invalid. */ - -/* Bits in EN0_ISR - Interrupt status register */ -#define ENISR_RX 0x01 /* Receiver, no error */ -#define ENISR_TX 0x02 /* Transmitter, no error */ -#define ENISR_RX_ERR 0x04 /* Receiver, with error */ -#define ENISR_TX_ERR 0x08 /* Transmitter, with error */ -#define ENISR_OVER 0x10 /* Receiver overwrote the ring */ -#define ENISR_COUNTERS 0x20 /* Counters need emptying */ -#define ENISR_RDC 0x40 /* remote dma complete */ -#define ENISR_RESET 0x80 /* Reset completed */ -#define ENISR_ALL 0x3f /* Interrupts we will enable */ - -/* Bits in received packet status byte and EN0_RSR*/ -#define ENRSR_RXOK 0x01 /* Received a good packet */ -#define ENRSR_CRC 0x02 /* CRC error */ -#define ENRSR_FAE 0x04 /* frame alignment error */ -#define ENRSR_FO 0x08 /* FIFO overrun */ -#define ENRSR_MPA 0x10 /* missed pkt */ -#define ENRSR_PHY 0x20 /* physical/multicast address */ -#define ENRSR_DIS 0x40 /* receiver disable. set in monitor mode */ -#define ENRSR_DEF 0x80 /* deferring */ - -/* Transmitted packet status, EN0_TSR. */ -#define ENTSR_PTX 0x01 /* Packet transmitted without error */ -#define ENTSR_ND 0x02 /* The transmit wasn't deferred. */ -#define ENTSR_COL 0x04 /* The transmit collided at least once. */ -#define ENTSR_ABT 0x08 /* The transmit collided 16 times, and was deferred. */ -#define ENTSR_CRS 0x10 /* The carrier sense was lost. */ -#define ENTSR_FU 0x20 /* A "FIFO underrun" occurred during transmit. */ -#define ENTSR_CDH 0x40 /* The collision detect "heartbeat" signal was lost. */ -#define ENTSR_OWC 0x80 /* There was an out-of-window collision. */ - -#define NE2000_PMEM_SIZE (32*1024) -#define NE2000_PMEM_START (16*1024) -#define NE2000_PMEM_END (NE2000_PMEM_SIZE+NE2000_PMEM_START) -#define NE2000_MEM_SIZE NE2000_PMEM_END - -typedef struct NE2000State { - uint8_t cmd; - uint32_t start; - uint32_t stop; - uint8_t boundary; - uint8_t tsr; - uint8_t tpsr; - uint16_t tcnt; - uint16_t rcnt; - uint32_t rsar; - uint8_t rsr; - uint8_t rxcr; - uint8_t isr; - uint8_t dcfg; - uint8_t imr; - uint8_t phys[6]; /* mac address */ - uint8_t curpag; - uint8_t mult[8]; /* multicast mask array */ - int irq; - PCIDevice *pci_dev; - VLANClientState *vc; - uint8_t macaddr[6]; - uint8_t mem[NE2000_MEM_SIZE]; -} NE2000State; - -static void ne2000_reset(NE2000State *s) -{ - int i; - - s->isr = ENISR_RESET; - memcpy(s->mem, s->macaddr, 6); - s->mem[14] = 0x57; - s->mem[15] = 0x57; - - /* duplicate prom data */ - for(i = 15;i >= 0; i--) { - s->mem[2 * i] = s->mem[i]; - s->mem[2 * i + 1] = s->mem[i]; - } -} - -static void ne2000_update_irq(NE2000State *s) -{ - int isr; - isr = (s->isr & s->imr) & 0x7f; -#if defined(DEBUG_NE2000) - printf("NE2000: Set IRQ line %d to %d (%02x %02x)\n", - s->irq, isr ? 1 : 0, s->isr, s->imr); -#endif - if (s->irq == 16) { - /* PCI irq */ - pci_set_irq(s->pci_dev, 0, (isr != 0)); - } else { - /* ISA irq */ - pic_set_irq(s->irq, (isr != 0)); - } -} - -#define POLYNOMIAL 0x04c11db6 - -/* From FreeBSD */ -/* XXX: optimize */ -static int compute_mcast_idx(const uint8_t *ep) -{ - uint32_t crc; - int carry, i, j; - uint8_t b; - - crc = 0xffffffff; - for (i = 0; i < 6; i++) { - b = *ep++; - for (j = 0; j < 8; j++) { - carry = ((crc & 0x80000000L) ? 1 : 0) ^ (b & 0x01); - crc <<= 1; - b >>= 1; - if (carry) - crc = ((crc ^ POLYNOMIAL) | carry); - } - } - return (crc >> 26); -} - -static int ne2000_buffer_full(NE2000State *s) -{ - int avail, index, boundary; - - index = s->curpag << 8; - boundary = s->boundary << 8; - if (index <= boundary) - avail = boundary - index; - else - avail = (s->stop - s->start) - (index - boundary); - if (avail < (MAX_ETH_FRAME_SIZE + 4)) - return 1; - return 0; -} - -static int ne2000_can_receive(void *opaque) -{ - NE2000State *s = opaque; - - if (s->cmd & E8390_STOP) - return 1; - return !ne2000_buffer_full(s); -} - -#define MIN_BUF_SIZE 60 - -static void ne2000_receive(void *opaque, const uint8_t *buf, int size) -{ - NE2000State *s = opaque; - uint8_t *p; - int total_len, next, avail, len, index, mcast_idx; - uint8_t buf1[60]; - static const uint8_t broadcast_macaddr[6] = - { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; - -#if defined(DEBUG_NE2000) - printf("NE2000: received len=%d\n", size); -#endif - - if (s->cmd & E8390_STOP || ne2000_buffer_full(s)) - return; - - /* XXX: check this */ - if (s->rxcr & 0x10) { - /* promiscuous: receive all */ - } else { - if (!memcmp(buf, broadcast_macaddr, 6)) { - /* broadcast address */ - if (!(s->rxcr & 0x04)) - return; - } else if (buf[0] & 0x01) { - /* multicast */ - if (!(s->rxcr & 0x08)) - return; - mcast_idx = compute_mcast_idx(buf); - if (!(s->mult[mcast_idx >> 3] & (1 << (mcast_idx & 7)))) - return; - } else if (s->mem[0] == buf[0] && - s->mem[2] == buf[1] && - s->mem[4] == buf[2] && - s->mem[6] == buf[3] && - s->mem[8] == buf[4] && - s->mem[10] == buf[5]) { - /* match */ - } else { - return; - } - } - - - /* if too small buffer, then expand it */ - if (size < MIN_BUF_SIZE) { - memcpy(buf1, buf, size); - memset(buf1 + size, 0, MIN_BUF_SIZE - size); - buf = buf1; - size = MIN_BUF_SIZE; - } - - index = s->curpag << 8; - /* 4 bytes for header */ - total_len = size + 4; - /* address for next packet (4 bytes for CRC) */ - next = index + ((total_len + 4 + 255) & ~0xff); - if (next >= s->stop) - next -= (s->stop - s->start); - /* prepare packet header */ - p = s->mem + index; - s->rsr = ENRSR_RXOK; /* receive status */ - /* XXX: check this */ - if (buf[0] & 0x01) - s->rsr |= ENRSR_PHY; - p[0] = s->rsr; - p[1] = next >> 8; - p[2] = total_len; - p[3] = total_len >> 8; - index += 4; - - /* write packet data */ - while (size > 0) { - avail = s->stop - index; - len = size; - if (len > avail) - len = avail; - memcpy(s->mem + index, buf, len); - buf += len; - index += len; - if (index == s->stop) - index = s->start; - size -= len; - } - s->curpag = next >> 8; - - /* now we can signal we have receive something */ - s->isr |= ENISR_RX; - ne2000_update_irq(s); -} - -static void ne2000_ioport_write(void *opaque, uint32_t addr, uint32_t val) -{ - NE2000State *s = opaque; - int offset, page, index; - - addr &= 0xf; -#ifdef DEBUG_NE2000 - printf("NE2000: write addr=0x%x val=0x%02x\n", addr, val); -#endif - if (addr == E8390_CMD) { - /* control register */ - s->cmd = val; - if (!(val & E8390_STOP)) { /* START bit makes no sense on RTL8029... */ - s->isr &= ~ENISR_RESET; - /* test specific case: zero length transfert */ - if ((val & (E8390_RREAD | E8390_RWRITE)) && - s->rcnt == 0) { - s->isr |= ENISR_RDC; - ne2000_update_irq(s); - } - if (val & E8390_TRANS) { - index = (s->tpsr << 8); - /* XXX: next 2 lines are a hack to make netware 3.11 work */ - if (index >= NE2000_PMEM_END) - index -= NE2000_PMEM_SIZE; - /* fail safe: check range on the transmitted length */ - if (index + s->tcnt <= NE2000_PMEM_END) { - qemu_send_packet(s->vc, s->mem + index, s->tcnt); - } - /* signal end of transfert */ - s->tsr = ENTSR_PTX; - s->isr |= ENISR_TX; - s->cmd &= ~E8390_TRANS; - ne2000_update_irq(s); - } - } - } else { - page = s->cmd >> 6; - offset = addr | (page << 4); - switch(offset) { - case EN0_STARTPG: - s->start = val << 8; - break; - case EN0_STOPPG: - s->stop = val << 8; - break; - case EN0_BOUNDARY: - s->boundary = val; - break; - case EN0_IMR: - s->imr = val; - ne2000_update_irq(s); - break; - case EN0_TPSR: - s->tpsr = val; - break; - case EN0_TCNTLO: - s->tcnt = (s->tcnt & 0xff00) | val; - break; - case EN0_TCNTHI: - s->tcnt = (s->tcnt & 0x00ff) | (val << 8); - break; - case EN0_RSARLO: - s->rsar = (s->rsar & 0xff00) | val; - break; - case EN0_RSARHI: - s->rsar = (s->rsar & 0x00ff) | (val << 8); - break; - case EN0_RCNTLO: - s->rcnt = (s->rcnt & 0xff00) | val; - break; - case EN0_RCNTHI: - s->rcnt = (s->rcnt & 0x00ff) | (val << 8); - break; - case EN0_RXCR: - s->rxcr = val; - break; - case EN0_DCFG: - s->dcfg = val; - break; - case EN0_ISR: - s->isr &= ~(val & 0x7f); - ne2000_update_irq(s); - break; - case EN1_PHYS ... EN1_PHYS + 5: - s->phys[offset - EN1_PHYS] = val; - break; - case EN1_CURPAG: - s->curpag = val; - break; - case EN1_MULT ... EN1_MULT + 7: - s->mult[offset - EN1_MULT] = val; - break; - } - } -} - -static uint32_t ne2000_ioport_read(void *opaque, uint32_t addr) -{ - NE2000State *s = opaque; - int offset, page, ret; - - addr &= 0xf; - if (addr == E8390_CMD) { - ret = s->cmd; - } else { - page = s->cmd >> 6; - offset = addr | (page << 4); - switch(offset) { - case EN0_TSR: - ret = s->tsr; - break; - case EN0_BOUNDARY: - ret = s->boundary; - break; - case EN0_ISR: - ret = s->isr; - break; - case EN0_RSARLO: - ret = s->rsar & 0x00ff; - break; - case EN0_RSARHI: - ret = s->rsar >> 8; - break; - case EN1_PHYS ... EN1_PHYS + 5: - ret = s->phys[offset - EN1_PHYS]; - break; - case EN1_CURPAG: - ret = s->curpag; - break; - case EN1_MULT ... EN1_MULT + 7: - ret = s->mult[offset - EN1_MULT]; - break; - case EN0_RSR: - ret = s->rsr; - break; - case EN2_STARTPG: - ret = s->start >> 8; - break; - case EN2_STOPPG: - ret = s->stop >> 8; - break; - case EN0_RTL8029ID0: - ret = 0x50; - break; - case EN0_RTL8029ID1: - ret = 0x43; - break; - case EN3_CONFIG0: - ret = 0; /* 10baseT media */ - break; - case EN3_CONFIG2: - ret = 0x40; /* 10baseT active */ - break; - case EN3_CONFIG3: - ret = 0x40; /* Full duplex */ - break; - default: - ret = 0x00; - break; - } - } -#ifdef DEBUG_NE2000 - printf("NE2000: read addr=0x%x val=%02x\n", addr, ret); -#endif - return ret; -} - -static inline void ne2000_mem_writeb(NE2000State *s, uint32_t addr, - uint32_t val) -{ - if (addr < 32 || - (addr >= NE2000_PMEM_START && addr < NE2000_MEM_SIZE)) { - s->mem[addr] = val; - } -} - -static inline void ne2000_mem_writew(NE2000State *s, uint32_t addr, - uint32_t val) -{ - addr &= ~1; /* XXX: check exact behaviour if not even */ - if (addr < 32 || - (addr >= NE2000_PMEM_START && addr < NE2000_MEM_SIZE)) { - *(uint16_t *)(s->mem + addr) = cpu_to_le16(val); - } -} - -static inline void ne2000_mem_writel(NE2000State *s, uint32_t addr, - uint32_t val) -{ - addr &= ~1; /* XXX: check exact behaviour if not even */ - if (addr < 32 || - (addr >= NE2000_PMEM_START && addr < NE2000_MEM_SIZE)) { - cpu_to_le32wu((uint32_t *)(s->mem + addr), val); - } -} - -static inline uint32_t ne2000_mem_readb(NE2000State *s, uint32_t addr) -{ - if (addr < 32 || - (addr >= NE2000_PMEM_START && addr < NE2000_MEM_SIZE)) { - return s->mem[addr]; - } else { - return 0xff; - } -} - -static inline uint32_t ne2000_mem_readw(NE2000State *s, uint32_t addr) -{ - addr &= ~1; /* XXX: check exact behaviour if not even */ - if (addr < 32 || - (addr >= NE2000_PMEM_START && addr < NE2000_MEM_SIZE)) { - return le16_to_cpu(*(uint16_t *)(s->mem + addr)); - } else { - return 0xffff; - } -} - -static inline uint32_t ne2000_mem_readl(NE2000State *s, uint32_t addr) -{ - addr &= ~1; /* XXX: check exact behaviour if not even */ - if (addr < 32 || - (addr >= NE2000_PMEM_START && addr < NE2000_MEM_SIZE)) { - return le32_to_cpupu((uint32_t *)(s->mem + addr)); - } else { - return 0xffffffff; - } -} - -static inline void ne2000_dma_update(NE2000State *s, int len) -{ - s->rsar += len; - /* wrap */ - /* XXX: check what to do if rsar > stop */ - if (s->rsar == s->stop) - s->rsar = s->start; - - if (s->rcnt <= len) { - s->rcnt = 0; - /* signal end of transfert */ - s->isr |= ENISR_RDC; - ne2000_update_irq(s); - } else { - s->rcnt -= len; - } -} - -static void ne2000_asic_ioport_write(void *opaque, uint32_t addr, uint32_t val) -{ - NE2000State *s = opaque; - -#ifdef DEBUG_NE2000 - printf("NE2000: asic write val=0x%04x\n", val); -#endif - if (s->rcnt == 0) - return; - if (s->dcfg & 0x01) { - /* 16 bit access */ - ne2000_mem_writew(s, s->rsar, val); - ne2000_dma_update(s, 2); - } else { - /* 8 bit access */ - ne2000_mem_writeb(s, s->rsar, val); - ne2000_dma_update(s, 1); - } -} - -static uint32_t ne2000_asic_ioport_read(void *opaque, uint32_t addr) -{ - NE2000State *s = opaque; - int ret; - - if (s->dcfg & 0x01) { - /* 16 bit access */ - ret = ne2000_mem_readw(s, s->rsar); - ne2000_dma_update(s, 2); - } else { - /* 8 bit access */ - ret = ne2000_mem_readb(s, s->rsar); - ne2000_dma_update(s, 1); - } -#ifdef DEBUG_NE2000 - printf("NE2000: asic read val=0x%04x\n", ret); -#endif - return ret; -} - -static void ne2000_asic_ioport_writel(void *opaque, uint32_t addr, uint32_t val) -{ - NE2000State *s = opaque; - -#ifdef DEBUG_NE2000 - printf("NE2000: asic writel val=0x%04x\n", val); -#endif - if (s->rcnt == 0) - return; - /* 32 bit access */ - ne2000_mem_writel(s, s->rsar, val); - ne2000_dma_update(s, 4); -} - -static uint32_t ne2000_asic_ioport_readl(void *opaque, uint32_t addr) -{ - NE2000State *s = opaque; - int ret; - - /* 32 bit access */ - ret = ne2000_mem_readl(s, s->rsar); - ne2000_dma_update(s, 4); -#ifdef DEBUG_NE2000 - printf("NE2000: asic readl val=0x%04x\n", ret); -#endif - return ret; -} - -static void ne2000_reset_ioport_write(void *opaque, uint32_t addr, uint32_t val) -{ - /* nothing to do (end of reset pulse) */ -} - -static uint32_t ne2000_reset_ioport_read(void *opaque, uint32_t addr) -{ - NE2000State *s = opaque; - ne2000_reset(s); - return 0; -} - -static void ne2000_save(QEMUFile* f,void* opaque) -{ - NE2000State* s=(NE2000State*)opaque; - - qemu_put_8s(f, &s->rxcr); - - qemu_put_8s(f, &s->cmd); - qemu_put_be32s(f, &s->start); - qemu_put_be32s(f, &s->stop); - qemu_put_8s(f, &s->boundary); - qemu_put_8s(f, &s->tsr); - qemu_put_8s(f, &s->tpsr); - qemu_put_be16s(f, &s->tcnt); - qemu_put_be16s(f, &s->rcnt); - qemu_put_be32s(f, &s->rsar); - qemu_put_8s(f, &s->rsr); - qemu_put_8s(f, &s->isr); - qemu_put_8s(f, &s->dcfg); - qemu_put_8s(f, &s->imr); - qemu_put_buffer(f, s->phys, 6); - qemu_put_8s(f, &s->curpag); - qemu_put_buffer(f, s->mult, 8); - qemu_put_be32s(f, &s->irq); - qemu_put_buffer(f, s->mem, NE2000_MEM_SIZE); -} - -static int ne2000_load(QEMUFile* f,void* opaque,int version_id) -{ - NE2000State* s=(NE2000State*)opaque; - - if (version_id == 2) { - qemu_get_8s(f, &s->rxcr); - } else if (version_id == 1) { - s->rxcr = 0x0c; - } else { - return -EINVAL; - } - - qemu_get_8s(f, &s->cmd); - qemu_get_be32s(f, &s->start); - qemu_get_be32s(f, &s->stop); - qemu_get_8s(f, &s->boundary); - qemu_get_8s(f, &s->tsr); - qemu_get_8s(f, &s->tpsr); - qemu_get_be16s(f, &s->tcnt); - qemu_get_be16s(f, &s->rcnt); - qemu_get_be32s(f, &s->rsar); - qemu_get_8s(f, &s->rsr); - qemu_get_8s(f, &s->isr); - qemu_get_8s(f, &s->dcfg); - qemu_get_8s(f, &s->imr); - qemu_get_buffer(f, s->phys, 6); - qemu_get_8s(f, &s->curpag); - qemu_get_buffer(f, s->mult, 8); - qemu_get_be32s(f, &s->irq); - qemu_get_buffer(f, s->mem, NE2000_MEM_SIZE); - - return 0; -} - -void isa_ne2000_init(int base, int irq, NICInfo *nd) -{ - NE2000State *s; - - s = qemu_mallocz(sizeof(NE2000State)); - if (!s) - return; - - register_ioport_write(base, 16, 1, ne2000_ioport_write, s); - register_ioport_read(base, 16, 1, ne2000_ioport_read, s); - - register_ioport_write(base + 0x10, 1, 1, ne2000_asic_ioport_write, s); - register_ioport_read(base + 0x10, 1, 1, ne2000_asic_ioport_read, s); - register_ioport_write(base + 0x10, 2, 2, ne2000_asic_ioport_write, s); - register_ioport_read(base + 0x10, 2, 2, ne2000_asic_ioport_read, s); - - register_ioport_write(base + 0x1f, 1, 1, ne2000_reset_ioport_write, s); - register_ioport_read(base + 0x1f, 1, 1, ne2000_reset_ioport_read, s); - s->irq = irq; - memcpy(s->macaddr, nd->macaddr, 6); - - ne2000_reset(s); - - s->vc = qemu_new_vlan_client(nd->vlan, ne2000_receive, - ne2000_can_receive, s); - - snprintf(s->vc->info_str, sizeof(s->vc->info_str), - "ne2000 macaddr=%02x:%02x:%02x:%02x:%02x:%02x", - s->macaddr[0], - s->macaddr[1], - s->macaddr[2], - s->macaddr[3], - s->macaddr[4], - s->macaddr[5]); - - register_savevm("ne2000", 0, 2, ne2000_save, ne2000_load, s); -} - -/***********************************************************/ -/* PCI NE2000 definitions */ - -typedef struct PCINE2000State { - PCIDevice dev; - NE2000State ne2000; -} PCINE2000State; - -static void ne2000_map(PCIDevice *pci_dev, int region_num, - uint32_t addr, uint32_t size, int type) -{ - PCINE2000State *d = (PCINE2000State *)pci_dev; - NE2000State *s = &d->ne2000; - - register_ioport_write(addr, 16, 1, ne2000_ioport_write, s); - register_ioport_read(addr, 16, 1, ne2000_ioport_read, s); - - register_ioport_write(addr + 0x10, 1, 1, ne2000_asic_ioport_write, s); - register_ioport_read(addr + 0x10, 1, 1, ne2000_asic_ioport_read, s); - register_ioport_write(addr + 0x10, 2, 2, ne2000_asic_ioport_write, s); - register_ioport_read(addr + 0x10, 2, 2, ne2000_asic_ioport_read, s); - register_ioport_write(addr + 0x10, 4, 4, ne2000_asic_ioport_writel, s); - register_ioport_read(addr + 0x10, 4, 4, ne2000_asic_ioport_readl, s); - - register_ioport_write(addr + 0x1f, 1, 1, ne2000_reset_ioport_write, s); - register_ioport_read(addr + 0x1f, 1, 1, ne2000_reset_ioport_read, s); -} - -void pci_ne2000_init(PCIBus *bus, NICInfo *nd) -{ - PCINE2000State *d; - NE2000State *s; - uint8_t *pci_conf; - - d = (PCINE2000State *)pci_register_device(bus, - "NE2000", sizeof(PCINE2000State), - -1, - NULL, NULL); - pci_conf = d->dev.config; - pci_conf[0x00] = 0xec; // Realtek 8029 - pci_conf[0x01] = 0x10; - pci_conf[0x02] = 0x29; - pci_conf[0x03] = 0x80; - pci_conf[0x0a] = 0x00; // ethernet network controller - pci_conf[0x0b] = 0x02; - pci_conf[0x0e] = 0x00; // header_type - pci_conf[0x3d] = 1; // interrupt pin 0 - - pci_register_io_region(&d->dev, 0, 0x100, - PCI_ADDRESS_SPACE_IO, ne2000_map); - s = &d->ne2000; - s->irq = 16; // PCI interrupt - s->pci_dev = (PCIDevice *)d; - memcpy(s->macaddr, nd->macaddr, 6); - ne2000_reset(s); - s->vc = qemu_new_vlan_client(nd->vlan, ne2000_receive, - ne2000_can_receive, s); - - snprintf(s->vc->info_str, sizeof(s->vc->info_str), - "ne2000 pci macaddr=%02x:%02x:%02x:%02x:%02x:%02x", - s->macaddr[0], - s->macaddr[1], - s->macaddr[2], - s->macaddr[3], - s->macaddr[4], - s->macaddr[5]); - - /* XXX: instance number ? */ - register_savevm("ne2000", 0, 2, ne2000_save, ne2000_load, s); - register_savevm("ne2000_pci", 0, 1, generic_pci_save, generic_pci_load, - &d->dev); -} |